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Weather warnings may have been issued

Northolt (nearest observation site to Potters Bar)

Friday (Friday 22 September 2017)
12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00
Sunny day Sunny day Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night Cloudy Partly cloudy night
Temperature (°C)
16.4 ° 17.2 ° 17.5 ° 17.2 ° 18.4 ° 17.7 ° 17.0 ° 15.3 ° 14.2 ° 13.5 ° 12.9 ° 12.7 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
SW 5 S 6 W 8 WSW 9 SSW 8 SW 11 SSW 10 SW 10 SSW 8 SSW 5 SSW 6 SSW 6
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VG E E VG E E VG VG VG VG VG VG
Humidity Expand
57% 54% 56% 53% 50% 56% 58% 62% 68% 76% 80% 82%
Pressure (hPa) Expand
1022 1021 1021 1021 1021 1021 1021 1022 1022 1022 1022 1023
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F F F F F F R R R R R
Sunrise: 06:46 Sunset: 19:00 Moon phase: New
Saturday (Saturday 23 September 2017)
00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00
Cloudy Overcast Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Cloudy Cloudy
Temperature (°C)
12.9 ° 13.3 ° 13.1 ° 13.1 ° 13.2 ° 13.2 ° 14.0 ° 14.0 ° 14.6 ° 15.1 ° 16.3 ° 16.9 ° 17.3 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
SSW 7 SSW 6 S 5 SSE 7 S 5 S 3 S 6 S 6 SSE 7 S 7 S 10 S 11 SSW 8
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VG VG VG E E E E E E E E E E
Humidity Expand
83% 82% 84% 83% 84% 86% 79% 80% 80% 78% 74% 72% 70%
Pressure (hPa) Expand
1022 1023 1023 1022 1022 1021 1022 1022 1022 1023 1023 1023 1022
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R R R F F F F R R R R R R
Sunrise: 06:48 Sunset: 18:58 Moon phase: New

– = No Data

Issued at:

Extremes

East of England extremes

Parameter Location Value
Highest maximum temperature Santon Downham 18.6 °C
Lowest maximum temperature Cromer 16.0 °C
Lowest minimum temperature Woburn 3.1 °C
Highest rainfall Wittering 0.6 mm
Sunniest Shoeburyness 11.4 hours

UK extremes

Parameter Location Value
Highest maximum temperature Gravesend-Broadness 19.2 °C
Lowest maximum temperature Dalwhinnie 10.6 °C
Lowest minimum temperature Altnaharra SAWS -1.2 °C
Highest rainfall Harris Quidnish 20.0 mm
Sunniest Shoeburyness 11.4 hours

About extremes

Highest maximum temperature - (0900 to 2100 on the date shown)

Lowest maximum temperature - (0900 to 2100 on the date shown)

Lowest minimum temperature - (2100 on the previous day to 0900 on the date shown)

Highest rainfall -(2100 on the previous day to 2100 on the date shown)

Sunniest - (2100 on the previous day to 2100 on the date shown)

The information shown is initial data as it is received; observations are subject to final quality control after publication on this website. This is particularly the case for rainfall totals during snow events.

Issued at:

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